SIG Double ball series

SIG 2-Ball Series

DOUBLE ROW BALL, INTERNAL GEAR

 

Double row internally geared slewing rings offer high radial and moment load capabilities in a small diameter. This makes them ideal for applications such as jib cranes or where the dominant load is radial in nature such as winches or heavy industrial turnover jigs. The addition of an internal gear facilitates the transmission of power.

Series dimensions

(Dimensions and weights are illustrative. QCB reserves the right to modify any specification in our quest for continuous product improvement)

Outline dimensionsOuter holesInner holes20 deg stub gearWeight
QCB referenceDaDihLanaLiniPMzFz Max
mmmmmmmmmmmmKNkg
SIG 570 2 20 01 AA LM5703688454018436183848488477
SIG 700 2 25 01 AA LM700485100660285403048559745110
SIG 705 2 20 01 AA LM70550492675325753252086588103
SIG 712 2 25 03 AA LM71245698675326403247285992140
SIG 850 2 20 02 AA LM85064192820367053664888195127
SIG 976 2 20 01 AA LM976786979443685036800810095152
SIG 982 2 25 01 AA LM98275497944368263676089595170
SIG 1072 2 25 01 AA LM1072831971035369223684012701452118
SIG 1200 2 25 01 AA LM12009641101160481040489801098132232
SIG 1250 2 30 01 AA LM1250998110120836108036100010100148280
SIG 1470 2 25 02 AA LM14701182108142548127048120010120148394
SIG 1750 2 30 02 AA LM17801419120170548152548144012120175600
SIG 2090 2 45 01 AA LM20901778130203572189072180012150744
SIG 2300 2 45 01 AA LM230018771442240802030801910181051200
SIG 2928 2 40 01 AA LM292825441522866602694602560161601574

Interchange information

(This series of slewing rings is usually freely interchangeable with other brands – some specific application examples will exist)

QCB referenceLEONESSA
SIG 850 2 20 02 AA LMVI 085 B00
SIG 976 2 20 01 AA LMVI 097 B06
SIG 982 2 25 01 AA LMVI 098 B03
SIG 1072 2 25 01 AA LMVI 107 B04
SIG 1200 2 25 01 AA LMVI 120 R01
SIG 1250 2 30 01 AA LMVI 125 B01
SIG 1470 2 25 02 AA LMVI 147 B08
SIG 1750 2 30 02 AA LMVI 175 B00

The QCB stock of internally geared double row ball series is not limited to these sizes (we don’t want to publish all our secrets!).  For example, gear limitations can be modified with higher modules or wider gear faces.

If you don’t see what you are looking for feel free to contact us to discuss your specific requirements.

QCB has double row ball bearings of 4 500mm in service – all special, application specific designs.

Not sure what you need? Contact us and we will advise a solution based on your needs and budget!
Take advantage of our experience!

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